#297AB3#297AB3

#297AB3 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.8% C 0.117 H 243.8°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#297AB3
RGB	rgb(41, 122, 179)
HSL	hsl(205, 63%, 43%)
HSV	hsv(205, 77%, 70%)
CMYK	cmyk(77.1%, 31.8%, 0%, 29.8%)
CIE-LAB	lab(49.06, -4.31, -37.02)
CIE-LCH	lch(49.06, 37.27, 263.36°)
OKLab	oklab(55.83% -0.0516 -0.105)
OKLCH	oklch(55.83% 0.117 243.8)
XYZ	xyz(16.0075, 17.6433, 45.2009)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#297AB3 #B36229

analogous

#29B3A7 #297AB3 #2935B3

triadic

#297AB3 #B3297A #7AB329

tetradic

#297AB3 #A729B3 #B36229 #35B329

square

#297AB3 #A729B3 #B36229 #35B329

split-complementary

#297AB3 #B32935 #B3A729

monochromatic

#12364F #1E5881 #297AB3 #4599D4 #77B4E0

Accessibility & contrast

On white

4.64

#297AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#297AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #297AB3

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##297AB3	#FFFFFF	#000000	##FFFFFF
##297AB3	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607CB5

Deuteranopia (green-blind)

#4C6FB2

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #297ab3;
/* rgb */ color: rgb(41, 122, 179);
/* oklch */ color: oklch(55.8% 0.117 243.8);

Tailwind

colors: {
  custom: {
    50: '#77a0ca',
    500: '#297ab3',
    950: '#000000',
  },
}

SCSS

$custom: #297ab3;
$custom-light: #77a0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#297ab3",
  "rgb": {
    "r": 41,
    "g": 122,
    "b": 179
  },
  "hsl": {
    "h": 204.783,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55826,
    "c": 0.11699,
    "h": 243.8
  },
  "luminance": 0.17645
}

Semantic roles & 50–950 ramp

primary

#297AB3

secondary

#C79470

accent

#8642E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #297AB3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →